已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7787902056794fd718bfeec12825522b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc77f3ddd079d4a745c404b3412bc88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7787902056794fd718bfeec12825522b.png)
更新时间:2022-03-17 09:27:18
|
相似题推荐
填空题-单空题
|
较易
(0.85)
解题方法
【推荐1】已知非零向量
,
满足
,且
,则向量
与
的夹角为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee73e03f53a80b2f4b2817b638ee0927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/519604578c4ce269e040dd4eed07db7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】已知向量
、
,其中
,且
,则下列
与
的夹角等于___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969dc18fc9c6d051be1990344d5d62d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11638f6eb105eda9b62cd796250b71e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
解题方法
【推荐1】已知
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf470ed1e71f23d870825b08a2e338b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/564b5ce0cf96840f59d8bb9af2af96e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐2】已知向量
,
,若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4381e9c9d52fda48baeb2f652ae267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0782beb72f0d8d8343cee5d86a714c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ee59964f020fc52b5ba66a3f5fcc3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a080cab44a7d3605430d67b207f9be.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐3】设
,向量
,
,
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e912b86e064e678ab34210f3fa02ef.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d059f3c141a64eaee06366c1c19d7bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cbae07d57b2157df7d60072374fda77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22318d97dbf87ed9e7c7b56633ed3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7557713682c09ec526718378189f9f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f88fa1aa3ad462f6d01103e4108da67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e912b86e064e678ab34210f3fa02ef.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐1】 已知
与
的夹角为90°,
,
,
(λ,μ∈R),且
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be64d59ac6538a0f4d79fb825e082081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da629847cbcc3c93d085b1dd4b7c7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c3c75b380aa35ff210633335476cc79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e4c2d2ef294e9381f0ebaaae7673f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647ddad5922f74c37bc487bf2461de72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d287e7f86a20acfbd1254b412352cdf.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐2】已知向量
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479779070b95c1c2845f0a24dc8d5f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4568d49578f17e744a5d6f6b5d2ed4bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222ddb0bfbe291545ec3c537bbdcaeeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次